this derivation will be built:
  /nix/store/3slih2j19d50h0bcxbv3fb4waigzxcpa-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/3slih2j19d50h0bcxbv3fb4waigzxcpa-bcachefs-module-7.0.0-30-generic.drv'...